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Paddy field soil conservation: Indian historical practices
Stubble Cow Dung Paddy Multi-Crops Heavy Monsoon Rains Soil Conservation
2013/3/4
India is an ancient land having high seasonal rain fall (4 months rain & 8 months dry), has paddy cultivation. Becauses silt-sand separation; buoyant sand gets carried; silt agglutinates. Rill fluid d...
Distribution of Arbuscular Mycorrhizal Fungi in Upland Field Soil of Japan 1.Relationship between Spore Density and the Soil Environmental Factor
Arbuscular mycorrhizal fungi Available P Spore density Upland field
2009/7/23
To quantify the effects of arbuscular mycorrhizal fungi (AM fungi) on the growth of upland field crops cultivated in Japan, we analyzed soil samples from 124 sites in 18 Japanese prefectures for avail...
Distribution of Arbuscular Mycorrhizal Fungi in Upland Field Soil of Japan 2.Spore Density of Arbuscular Mycorrhizal Fungi and Infection Ratio in Soybean and Maize Fields
Arbuscular mycorrhizal fungi Available phosphate Infection ratio Phosphate adsorption coefficient Spore density
2009/7/23
In this study, soil samples were collected from upland fields where maize and soybeans had been cultivated and the density of AM (arbuscular mycorrhizal) fungal spores and the percentage of soybean ro...
Radioactive tracer techniques used in solute transport studies in a field soil
tracer techniques solute velocity longitudinal dispersion coefficient bypassing ratio
2008/11/12
Radioactive tracer techniques were used for in-situ measurements of the solute velocity, longitudinal dispersion coefficient, and bypassing ratio, as well as for estimation of the impact of land-use c...